1 files changed, 51 insertions, 0 deletions
diff --git a/drawinglayer/source/processor2d/vclhelperbufferdevice.hxx b/drawinglayer/source/processor2d/vclhelperbufferdevice.hxx
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index 000000000..99585b05b
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+++ b/drawinglayer/source/processor2d/vclhelperbufferdevice.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <vcl/virdev.hxx>
+
+namespace basegfx
+{
+class B2DRange;
+}
+
+// support methods for vcl direct gradient rendering
+
+namespace drawinglayer
+{
+class impBufferDevice
+{
+    OutputDevice& mrOutDev;
+    VclPtr<VirtualDevice> mpContent;
+    VclPtr<VirtualDevice> mpAlpha;
+    tools::Rectangle maDestPixel;
+
+public:
+    impBufferDevice(OutputDevice& rOutDev, const basegfx::B2DRange& rRange, bool bCrop = true);
+    ~impBufferDevice();
+
+    void paint(double fTrans = 0.0);
+    bool isVisible() const { return !maDestPixel.IsEmpty(); }
+    VirtualDevice& getContent();
+    VirtualDevice& getTransparence();
+};
+} // end of namespace drawinglayer
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */